This is a request for parity with Google...
Please match Google's "the standard" IP address exclusion options which per Ad Words are: "You can use full IP addresses or the wildcard character (*) in place of the last 3 digits of IPv4 addresses, indicating a block of addresses, or CIDR IP address blocks.
Examples:
•123.4.5.67
•123.4.5.*
•123.4.0.0/16
•2620:0:1003:1011:fa1e:dfff:fee6:2711
•2620:0:1003:1011:fa1e:dfff:0:0/96
"